<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .c1{
            color: green;
            font-size: 20px;
        }
        #d1{
            color: red;
            font-size: 18px;
        }
    </style>
</head>
<body>
<h1>我的英雄</h1>
<ul>
    <li>后裔</li>
    <li class="c1">蔡文姬</li>
    <li>猪八戒</li>
    <li id="d1">嬴政</li>
    <li>周瑜</li>
    <li class="c1">甄姬</li>
</ul>
</body>
</html>